feat: Enhance site navigation styles and improve backdrop effects for better visibility

theme/assets/css/main.css

@@ -280,7 +280,9 @@ p:last-child { margin-bottom: 0; }
   background: var(--header-scrolled-bg);
   box-shadow: var(--shadow-sm);
   padding-block: .65rem;
+  -webkit-backdrop-filter: blur(8px);
   backdrop-filter: blur(8px);
+  will-change: transform;
 }
 
 .header-inner {
@@ -496,6 +498,8 @@ p:last-child { margin-bottom: 0; }
   gap: 5px;
   margin-left: auto;
   padding: 4px;
+  position: relative;
+  z-index: 101;
 }
 .nav-toggle span {
   display: block;
@@ -516,7 +520,7 @@ p:last-child { margin-bottom: 0; }
     display: block;
     position: fixed;
     top: 0; left: 0; right: 0; bottom: 0;
-    background: var(--color-dark);
+    background: var(--color-bg);
     z-index: 99;
     overflow: hidden;
   }
@@ -537,8 +541,9 @@ p:last-child { margin-bottom: 0; }
   .site-nav.open .nav-menu > li {
     width: 100%;
   }
+  .nav-toggle.open span { background: var(--color-heading); }
   .site-nav.open .nav-menu a {
-    color: #fff;
+    color: var(--color-heading);
     font-size: 1.25rem;
   }
 
@@ -548,7 +553,7 @@ p:last-child { margin-bottom: 0; }
   }
   .site-nav.open .nav-menu > li.menu-item-has-children > a::before {
     right: .25rem;
-    border-color: rgba(255,255,255,.7);
+    border-color: var(--color-text-muted);
   }
   .site-nav.open .nav-menu > li.menu-item-has-children.submenu-open > a::before {
     transform: translateY(-30%) rotate(225deg);
@@ -559,7 +564,7 @@ p:last-child { margin-bottom: 0; }
     opacity: 1;
     visibility: visible;
     pointer-events: auto;
-    background: rgba(255,255,255,.07);
+    background: var(--color-bg-alt);
     border: none;
     border-radius: var(--radius-sm);
     box-shadow: none;
@@ -574,10 +579,10 @@ p:last-child { margin-bottom: 0; }
   .site-nav.open .nav-menu .sub-menu a {
     font-size: 1rem;
     padding: .4rem .75rem;
-    color: rgba(255,255,255,.8);
+    color: var(--color-text);
   }
   .site-nav.open .nav-menu .sub-menu a:hover {
-    color: #fff;
+    color: var(--color-primary);
     background: transparent;
   }
 }
@@ -1655,18 +1660,31 @@ p:last-child { margin-bottom: 0; }
   padding-inline: 1rem;
   border-radius: var(--radius-sm);
 }
+@media (prefers-color-scheme: dark) {
+  .oribi-card.comparison-row:hover {
+    background: rgba(var(--color-primary-rgb), .1);
+  }
+}
 .oribi-card.comparison-row .comparison-check {
-  width: 28px;
+  width: 32px;
-  height: 28px;
+  height: 32px;
-  background: var(--color-primary-lt);
+  background: var(--color-accent);
-  color: var(--color-primary);
+  color: var(--color-bg);
   border-radius: 50%;
   display: flex;
   align-items: center;
   justify-content: center;
-  font-size: .85rem;
+  font-size: .9rem;
-  font-weight: 700;
+  font-weight: 800;
   flex-shrink: 0;
+  box-shadow: 0 2px 8px rgba(76, 175, 80, 0.2);
+}
+@media (prefers-color-scheme: dark) {
+  .oribi-card.comparison-row .comparison-check {
+    background: var(--color-accent-dk);
+    color: var(--color-accent-lt);
+    box-shadow: 0 2px 8px rgba(76, 175, 80, 0.3);
+  }
 }
 .oribi-card.comparison-row h3 {
   font-size: 1rem;
@@ -3549,6 +3567,12 @@ p:last-child { margin-bottom: 0; }
   border: 1px solid var(--color-border);
   border-radius: var(--radius-md);
   background: var(--card-bg);
+  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
+}
+@media (prefers-color-scheme: dark) {
+  .comparison-table-wrap {
+    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
+  }
 }
 .comparison-table {
   width: 100%;
@@ -3570,6 +3594,12 @@ p:last-child { margin-bottom: 0; }
   top: 0;
   z-index: 1;
 }
+@media (prefers-color-scheme: dark) {
+  .comparison-table thead th {
+    background: var(--color-bg-alt);
+    border-bottom-color: var(--color-border);
+  }
+}
 .comparison-table thead th:first-child {
   text-align: left;
   min-width: 220px;
@@ -3596,7 +3626,7 @@ p:last-child { margin-bottom: 0; }
   font-size: .82rem;
   text-transform: uppercase;
   letter-spacing: .08em;
-  color: #fff;
+  color: var(--color-bg);
   text-align: left !important;
   padding: .85rem 1.25rem;
   border-bottom-color: var(--color-primary) !important;
@@ -3604,6 +3634,12 @@ p:last-child { margin-bottom: 0; }
 .comparison-group-row td:first-child {
   border-left: 4px solid var(--color-accent);
 }
+@media (prefers-color-scheme: dark) {
+  .comparison-group-row td {
+    background: var(--color-primary-dk);
+    border-bottom-color: var(--color-primary-dk) !important;
+  }
+}
 .comparison-yes {
   color: var(--color-accent);
   font-size: 1.1rem;
@@ -3616,6 +3652,11 @@ p:last-child { margin-bottom: 0; }
 .comparison-table tbody tr:hover td {
   background: rgba(var(--color-primary-rgb), .03);
 }
+@media (prefers-color-scheme: dark) {
+  .comparison-table tbody tr:hover td {
+    background: rgba(var(--color-primary-rgb), .08);
+  }
+}
 @media (max-width: 640px) {
   .comparison-table-wrap { margin-inline: calc(var(--container-pad) * -1); border-radius: 0; border-left: none; border-right: none; }
 }
@@ -3739,7 +3780,6 @@ p:last-child { margin-bottom: 0; }
 
 [data-theme="dark"] .site-footer { background: #0D0D0D; }
 
-[data-theme="dark"] .site-nav.open { background: #111111; }
 
 [data-theme="dark"] .logo-text { color: #F5F5F5; }
 [data-theme="dark"] .logo-text strong { color: var(--color-primary); }